Poland: solar plant site data
Solar power plant in Olsztyn, Poland: yield, tilt angle and row spacing
Olsztyn: 1,012 kWh per kWp a year at the optimal tilt of 40°, 3° east of south (PVGIS). 4.9% below the median of the main cities of Poland (1,065). #84 of 87 main cities of Poland by yield. For comparison, Kyiv: 1,114 kWh/kWp — 9.1% less here.
Olsztyn is in Warmian-Masurian Voivodeship. Population 169,793 (GeoNames). 151 m above sea level. 136 km away: Gdansk, the nearest bigger city, 1,067 kWh/kWp — 5.1% less here. 18.15 m between rows, pitch 21.81 m, GCR 0.22 (latitude 53.8°).
- Yield of 1 kWp
- 1,012kWh/year
- Tilt
- 40°3° east of south
- 10 kW
- 10,124kWh/year
- Row pitch
- 21.81m · GCR 0.22
- Rank in the country
- 84of 87 cities
Ground frame designer
A ground frame for a solar plant: Olsztyn
Latitude 53.8°: the tilt and the row pitch follow it. Enter the snow and wind for Poland in the designer, by the national annex to the Eurocode.
- No sign-up
- Snow and wind check
- Drawings and estimate
Yield by month
May: 130 kWh/kWp, December: 21 — 6.2 times less.
December: 21 against the median of 32 for the main cities of Poland, 34.4% less.
| kWp | A year | May | December |
|---|---|---|---|
| 5 | 5,062 | 650 | 105 |
| 10 | 10,124 | 1,300 | 210 |
| 15 | 15,186 | 1,950 | 315 |
Fixed tilt facing south
What a table yields at another tilt than the optimal 40° — for roofs and frames with a standard slope.
| Tilt | A year | Against the optimum |
|---|---|---|
| 40° (optimum) | 1,012 | — |
| 15° | 944 | −6.8% |
| 30° | 1,001 | −1.1% |
| 45° | 1,009 | −0.3% |
| 90° | 728 | −28.1% |
Snow and wind loads
Snow and wind loads for a site in Poland follow PN-EN 1991-1-3 (snow) and PN-EN 1991-1-4 (wind) with the Polish National Annex (NA). Solispec computes loads by the Ukrainian DBN V.1.2-2 only, so this page shows no snow or wind values for Poland: enter the characteristic values from these documents in the designer’s «Own snow S0» and «Own wind W0» fields.
The frame calculation for such a site is preliminary: before installation it must be checked by an engineer who works to the country’s standards.
Nearby cities
Sources
- PVGIS © European Union, 2001–2026 — yield, tilt and azimuth, data as of 2026-10-10
- GeoNames (CC BY 4.0) — coordinates, elevation, population and divisions (changed)
- Where to take snow and wind loads from: PN-EN 1991-1-3 + NA, PN-EN 1991-1-4 + NA
- How these numbers are computed
Preliminary calculation: a design needs an engineer’s check.